COMMISSIONER'S OFFICE — Suspended N.Y. Mets RHP Christian Montgomery 50 games for a second violation of the Minor League Drug Prevention and Treatment Program for a drug of abuse.
BOSTON RED SOX — Sent RHP John Lackey to Portland (EL) for a rehab assignment.
DETROIT TIGERS — Placed RHP Octavio Dotel on the 15-day DL, retroactive to April 20. Recalled RHP Bruce Rondon from Toledo (IL).
HOUSTON ASTROS — Optioned LHP Brett Oberholtzer to Oklahoma City (PCL). Recalled RHP Jose Cisnero from Oklahoma City.
OAKLAND ATHLETICS — Transferred 2B Scott Sizemore from the 15-day to the 60-day DL. Optioned OF Michael Taylor to Sacramento (PCL).
SEATTLE MARINERS — Placed OF Franklin Gutierrez on the 15-day DL. Recalled OF Carlos Peguero from Tacoma (PCL).
TORONTO BLUE JAYS — Claimed LHP Aaron Laffey off waivers from the N.Y. Mets. Transferred SS Jose Reyes from the 15-day to the 60-day DL.
ATLANTA BRAVES — Reinstated 1B Freddie Freeman from the 15-day DL. Optioned RHP David Carpenter to Gwinnett (IL).
CINCINNATI REDS — Sent LHP Sean Marshall to Louisville (IL) for a rehab assignment.
NEW YORK METS — Optioned OF Kirk Nieuwenhuis to Las Vegas (PCL). Recalled OF Juan Lagares from Las Vegas.
PHILADELPHIA PHILLIES — Sent C Carlos Ruiz to Reading (EL) for a rehab assignment.
PITTSBURGH PIRATES — Reinstated INF Brandon Inge from the 15-day DL. Optioned OF Alex Presley to Indianapolis (IL).
WASHINGTON NATIONALS — Claimed LHP Xavier Cedeno off waivers from Houston and optioned him to Syracuse (IL).
AMARILLO SOX — Signed RHP Matt Larkins.
EL PASO DIABLOS — Signed RHP Derek Forbes.
FARGO-MOORHEAD REDHAWKS — Signed INF Jeff Lundell.
GARY SOUTHSHORE RAILCATS — Signed INF Chase Tucker.
LAREDO LEMURS — Released RHP John Holdzkam.
SIOUX CITY EXPLORERS — Signed RHP Yunier Colon, RHP Danny Carela and RHP Cody Satterwhite.
ST. PAUL SAINTS — Signed INF Brad Boyer.
LONG ISLAND DUCKS — Signed 1B/OF Ryan Stieby and 1B/OF Ben Broussard.
NEWARK BEARS — Released RHP Caleb Cuevas, LHP Matt Fitton and RHP Julian Sampson.
NEW JERSEY JACKALS — Signed RHP Ryan Flannery.
ROCKLAND BOULDERS — Signed C Scott Knazek. Released INF Phillip Cuadrado.
TROIS-RIVIERES AIGLES — Signed RHP Sean Keeler. Claimed RHP Steve Fox off waivers from New Jersey.
|National Basketball Association|
CHARLOTTE BOBCATS — Fired coach Mike Dunlap.
|National Football League|
CINCINNATI BENGALS — Signed LB James Harrison.
DENVER BRONCOS — Signed P Britton Colquitt to a one-year contract.
|Canadian Football League|
WINNIPEG BLUE BOMBERS — Named Brock Bulbuck chairman for a three-year term.
|National Hockey League|
COLUMBUS BLUE JACKETS — Signed LW Matt Calvert to a two-year contract extension through the 2014-15 season.
NASHVILLE PREDATORS — Recalled Fs Daniel Bang, Kevin Henderson and Austin Watson from Milwaukee (AHL) under emergency conditions.
|American Hockey League|
MILWAUKEE ADMIRALS — Reassigned F Josh Shalla to Cincinnati (ECHL).
ECHL — Announced the Trenton Titans have ceased operations. Suspended Idaho D Gord Baldwin two games and fined him an undisclosed amount.
ALABAMA — Announced men's basketball G Trevor Lacey will transfer.
CARROLL (WIS.) — Announced the resignation of men's basketball coach and director of athletic advancement David Buchanan to become director of basketball operations at Drake.
COKER — Named Allison Stack men's and women's volleyball coach.
HOLY CROSS — Named Kevin Driscoll men's assistant basketball coach.
JAMES MADISON — Signed men's basketball coach Matt Brady to a four-year contract.
NEW MEXICO — Agreed to terms with football coach Bob Davie on a two-year contract extension through the 2019 season.
RUTGERS — Named Eddie Jordan men's basketball coach.
TENNESSEE — Named Bob Welton director of football player personnel.
TEXAS-PAN AMERICAN — Named Andy Hipsher men's associate head basketball coach.
UNC WILMINGTON — Named Houston Fancher men's assistant basketball coach.